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CVE-2026-21858 PoC — n8n 输入验证错误漏洞

Source
https://github.com/cropnet/Ni8mare
Associated Vulnerability
Title:n8n 输入验证错误漏洞 (CVE-2026-21858)
Description:n8n是n8n开源的一个可扩展的工作流自动化工具。 n8n 1.121.0之前版本存在输入验证错误漏洞，该漏洞源于攻击者可通过执行基于表单的工作流访问底层服务器文件，可能导致敏感信息泄露。
Description
Comprehensive vulnerability detection tool for n8n workflow automation instances. Detects the critical CVE-2026-21858 vulnerability (CVSS 10.0) without performing any exploitation.
File Snapshot

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